/* ============================================================
   Agent V2 — Cards, Activity Feed & Agent Tree Styles
   Depends on: agent-v2-tokens.css, agent-v2-base.css
   ============================================================ */

/* ── Tool Card ──────────────────────────────────────────────── */

.tool-card {
    --tool-card-status: var(--status-waiting);
    position: relative;
    margin: 6px 0;
    border-radius: var(--card-radius);
    border: var(--card-border-width) solid var(--agent-border);
    border-left: var(--card-status-width) solid var(--tool-card-status);
    background: var(--agent-surface-elevated);
    backdrop-filter: var(--card-backdrop-blur);
    -webkit-backdrop-filter: var(--card-backdrop-blur);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease-out-spring);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.tool-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    border-left-color: var(--tool-card-status);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transform: translateY(-0.5px);
}

/* Status modifiers */
.tool-card--running {
    --tool-card-status: var(--status-running);
    border-color: rgba(0, 240, 255, 0.25);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.tool-card--success {
    --tool-card-status: var(--status-success);
}

.tool-card--error {
    --tool-card-status: var(--status-error);
}

/* ── Tool Card Header ───────────────────────────────────────── */

.tool-card__header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--card-padding-sm) var(--card-padding);
    cursor: pointer;
    user-select: none;
    min-height: 32px;
}

.tool-card__icon {
    font-size: 14px;
    line-height: 1;
    flex-shrink: 0;
}

.tool-card__name {
    font-size: var(--md-sys-typescale-body-medium);
    font-weight: 600;
    color: var(--md-sys-color-on-surface-strong);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.tool-card__agent-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
    background: color-mix(in srgb, var(--badge-color, var(--md-sys-color-primary)) 12%, transparent);
    color: var(--badge-color, var(--md-sys-color-primary));
    border: 1px solid color-mix(in srgb, var(--badge-color, var(--md-sys-color-primary)) 20%, transparent);
    flex-shrink: 0;
}

.tool-card__time {
    font-size: 10px;
    color: var(--md-sys-color-on-surface-variant);
    font-feature-settings: 'tnum';
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: auto;
}

/* ── Status Indicator ───────────────────────────────────────── */

.tool-card__status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    font-size: 11px;
    line-height: 1;
}

.tool-card__status--running {
    color: var(--status-running);
}

.tool-card__status--success {
    color: var(--status-success);
}

.tool-card__status--error {
    color: var(--status-error);
}

.tool-card__spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--status-running);
    border-top-color: transparent;
    border-radius: 50%;
    animation: toolcard-spin 0.7s linear infinite;
    filter: drop-shadow(0 0 4px var(--status-running));
}

@keyframes toolcard-spin {
    to { transform: rotate(360deg); }
}

/* ── Toggle Chevron ─────────────────────────────────────────── */

.tool-card__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    border-radius: var(--md-sys-shape-corner-extra-small);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform var(--duration-fast) var(--ease-out-spring),
                color var(--duration-fast) ease;
}

.tool-card__toggle:hover {
    color: var(--md-sys-color-on-surface);
    background: var(--md-sys-color-surface-hover);
}

.tool-card--expanded .tool-card__toggle {
    transform: rotate(180deg);
}

/* ── Summary (collapsed one-liner) ──────────────────────────── */

.tool-card__summary {
    padding: 0 var(--card-padding) var(--card-padding-sm);
    font-size: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-card--expanded .tool-card__summary {
    display: none;
}

/* ── Details (expandable section) ───────────────────────────── */

.tool-card__details {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-expand) var(--ease-out-expo),
                opacity var(--duration-normal) ease;
    opacity: 0;
    padding: 0 var(--card-padding);
}

.tool-card--expanded .tool-card__details {
    max-height: 500px;
    opacity: 1;
    padding: 0 var(--card-padding) var(--card-padding-sm);
}

/* ── Parameters Table ───────────────────────────────────────── */

.tool-card__params {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 6px;
    font-size: 11px;
}

.tool-card__params td {
    padding: 3px 6px;
    border-bottom: 1px solid var(--agent-border-subtle);
    vertical-align: top;
    word-break: break-word;
}

.tool-card__param-key {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 600;
    color: var(--md-sys-color-primary);
    white-space: nowrap;
    width: 30%;
    min-width: 80px;
}

.tool-card__param-val {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--md-sys-color-on-surface);
    white-space: pre-wrap;
}

/* ── Response Preview ───────────────────────────────────────── */

.tool-card__response {
    margin-bottom: 6px;
}

.tool-card__response--empty {
    display: none;
}

.tool-card__response-code {
    margin: 0;
    padding: var(--card-padding-sm);
    border-radius: var(--md-sys-shape-corner-extra-small);
    background: var(--md-sys-color-surface);
    border: 1px solid var(--agent-border-subtle);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 10px;
    line-height: 1.5;
    color: var(--md-sys-color-on-surface);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ── Duration Badge ─────────────────────────────────────────── */

.tool-card__duration {
    font-size: 10px;
    color: var(--md-sys-color-on-surface-variant);
    font-feature-settings: 'tnum';
    padding: 2px 0 4px;
}

/* ── Footer Actions ─────────────────────────────────────────── */

.tool-card__actions {
    display: flex;
    gap: 6px;
    padding: var(--card-padding-sm) var(--card-padding);
    border-top: 1px solid var(--agent-border-subtle);
}

.tool-card__undo-btn,
.tool-card__retry-btn {
    padding: 3px 10px;
    border: 1px solid var(--agent-border);
    border-radius: var(--md-sys-shape-corner-extra-small);
    background: transparent;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.tool-card__undo-btn {
    color: var(--status-warning);
    border-color: color-mix(in srgb, var(--status-warning) 30%, transparent);
}

.tool-card__undo-btn:hover {
    background: color-mix(in srgb, var(--status-warning) 10%, transparent);
    border-color: var(--status-warning);
}

.tool-card__retry-btn {
    color: var(--status-error);
    border-color: color-mix(in srgb, var(--status-error) 30%, transparent);
}

.tool-card__retry-btn:hover {
    background: color-mix(in srgb, var(--status-error) 10%, transparent);
    border-color: var(--status-error);
}

/* ── Activity Feed — Status Updates ─────────────────────────── */
.agent-activity-box { margin: 8px 0; padding: 10px 12px; background: rgba(30, 30, 40, 0.45); border: 1px solid var(--agent-border-subtle); border-radius: 8px; font-size: 12px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.agent-activity-details { width: 100%; }
.agent-activity-summary { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 500; color: var(--md-sys-color-on-surface); user-select: none; list-style: none; }
.agent-activity-summary::-webkit-details-marker { display: none; }
.agent-activity-summary__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--status-running); animation: statusPulse 1.4s ease-in-out infinite; flex-shrink: 0; }
.agent-activity-summary__dot--done { background: var(--status-success) !important; animation: none !important; }
.agent-activity-summary__text { flex-grow: 1; }
.agent-activity-log { margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(255, 255, 255, 0.05); display: flex; flex-direction: column; gap: 4px; max-height: 250px; overflow-y: auto; }
.agent-activity-box .agent-status-update { background: transparent !important; border: none !important; padding: 2px 0 !important; margin: 0 !important; border-radius: 0 !important; flex-direction: row !important; align-items: center !important; gap: 8px !important; }
.agent-activity-box .agent-status-update__header { display: inline-flex; align-items: center; gap: 6px; min-width: 110px; }
.agent-activity-box .agent-status-update__body { padding-left: 0 !important; display: inline; }
.agent-activity-box .agent-status-update__text { display: inline-flex; font-size: 11px; color: var(--md-sys-color-on-surface-variant); line-height: 1.4; }


.agent-status-update {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 6px var(--card-padding);
    margin: 2px 0;
    border-radius: var(--md-sys-shape-corner-extra-small);
    background: transparent;
    transition: opacity var(--duration-normal) ease;
}

.agent-status-update--done {
    opacity: 0.55;
}

.agent-status-update__header {
    display: flex;
    align-items: center;
    gap: 6px;
}

.agent-status-update__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.agent-status-update__agent {
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.agent-status-update__body {
    padding-left: 14px;
}

.agent-status-update__text {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.6;
}

/* Mini spinner for status lines */
.agent-status-update__spinner {
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 1.5px solid var(--md-sys-color-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: toolcard-spin 0.7s linear infinite;
    flex-shrink: 0;
}

.agent-status-update__check {
    color: var(--status-success);
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ── Activity Feed — Progress Bar ───────────────────────────── */

.agent-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px var(--card-padding);
    margin: 4px 0;
    transition: opacity var(--duration-slow) ease;
}

.agent-progress--complete {
    opacity: 0.6;
}

.agent-progress--fade-out {
    opacity: 0;
}

.agent-progress__label {
    font-size: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface);
    white-space: nowrap;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.agent-progress__bar-track {
    flex: 0 0 80px;
    height: 4px;
    border-radius: 2px;
    background: var(--md-sys-color-surface);
    overflow: hidden;
}

.agent-progress__bar-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--md-sys-color-primary);
    transition: width var(--duration-normal) var(--ease-out-expo);
}

.agent-progress__pct {
    font-size: 10px;
    font-feature-settings: 'tnum';
    color: var(--md-sys-color-on-surface-variant);
    flex-shrink: 0;
    min-width: 28px;
    text-align: right;
}

/* ── Tool Wrapper in Activity Feed ──────────────────────────── */

.activity-feed__tool-wrapper {
    margin: 4px 0;
}

/* ── Reduced Motion (cards & activity feed) ─────────────────── */

@media (prefers-reduced-motion: reduce) {
    .tool-card__spinner,
    .agent-status-update__spinner {
        animation: none;
    }

    .tool-card__details {
        transition: none;
    }

    .tool-card__toggle {
        transition: none;
    }
}